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Thuja occidentalis L.
NORTHERN WHITE-CEDAR
Arborvitae

Life   Plantae   Gymnospermae   Cupressaceae   Thuja

Thuja occidentalis, whole tree - general
© Copyright Steve Baskauf, 2002-2011 · 4
Thuja occidentalis, whole tree - general

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Thuja occidentalis, bark - of a medium tree or large branch
© Copyright Steve Baskauf, 2002-2011 · 4
Thuja occidentalis, bark - of a medium tree or large branch
Thuja occidentalis, leaf - showing orientation on twig
© Copyright Steve Baskauf, 2002-2011 · 4
Thuja occidentalis, leaf - showing orientation on twig

Thuja occidentalis, leaf - entire needle
© Copyright Steve Baskauf, 2002-2011 · 4
Thuja occidentalis, leaf - entire needle
Thuja occidentalis, leaf - entire needle
© Copyright Steve Baskauf, 2002-2011 · 4
Thuja occidentalis, leaf - entire needle

Thuja occidentalis, twig - showing attachment of needles
© Copyright Steve Baskauf, 2002-2011 · 4
Thuja occidentalis, twig - showing attachment of needles
Thuja occidentalis, twig - after fallen needles
© Copyright Steve Baskauf, 2002-2011 · 4
Thuja occidentalis, twig - after fallen needles

Thuja occidentalis, whole tree - view up trunk
© Copyright Steve Baskauf, 2002-2011 · 4
Thuja occidentalis, whole tree - view up trunk
Thuja occidentalis, Rheingold, Rheingold eastern arborvitae, plant
© Graham Wyatt, 2009-2010 · 1
Thuja occidentalis, Rheingold, Rheingold eastern arborvitae, plant

Thuja occidentalis, Rheingold, Rheingold eastern arborvitae, branching
© Graham Wyatt, 2009-2010 · 1
Thuja occidentalis, Rheingold, Rheingold eastern arborvitae, branching
Thuja occidentalis, Rheingold, Rheingold eastern arborvitae, branching
© Graham Wyatt, 2009-2010 · 1
Thuja occidentalis, Rheingold, Rheingold eastern arborvitae, branching

Thuja occidentalis, Rheingold, Rheingold eastern arborvitae, leaf
© Graham Wyatt, 2009-2010 · 1
Thuja occidentalis, Rheingold, Rheingold eastern arborvitae, leaf
Thuja occidentalis, Rheingold, Rheingold eastern arborvitae, leaf
© Graham Wyatt, 2009-2010 · 1
Thuja occidentalis, Rheingold, Rheingold eastern arborvitae, leaf

Thuja occidentalis, Rheingold, Rheingold eastern arborvitae, stem
© Graham Wyatt, 2009-2010 · 1
Thuja occidentalis, Rheingold, Rheingold eastern arborvitae, stem
Thuja occidentalis, Rheingold, Rheingold eastern arborvitae, stem
© Graham Wyatt, 2009-2010 · 1
Thuja occidentalis, Rheingold, Rheingold eastern arborvitae, stem

Associates · map
FamilyScientific name @ source (records)
Agaricaceae  Phoma thujana @ BPI (1)

Phoma @ BPI (2)
Amphisphaeriaceae  Amphisphaeria aethiops @ BPI (1)

Pestalotia conigena @ BPI (10)

Pestalotia funerea @ 405885A (1); BPI (26); 405885B (1)

Pestalotia thujae @ BPI (2)
Aphelinidae  Encarsia @ UCRC_ENT (1)
Aphididae  Cinara ( @ NCSU_ENT (4)
Atheliaceae  Athelia epiphylla @ BPI (1)

Athelia pellicularis @ BPI (1)
Auriculariaceae  Auricularia auricula @ BPI (2)
Biatorellaceae  Biatorella resinae @ BPI (1)
Botryosphaeriaceae  Dothiorella magnifructa @ BPI (1)

Macrophoma magnifructa @ BPI (1)

Phyllosticta thujae @ BPI (2)

Phyllosticta @ BPI (1)
Capnodiaceae  Capnodium elongatum @ BPI (1)
Coccidae  Parthenolecanium corni @ CSCA_TCN (2)

Saissetia coffeae @ CSCA_TCN (1)
Coniophoraceae  Coniophora alboflavescens @ BPI (1)

Coniophora suffocata @ BPI (4)
Corticiaceae  Corticium calceum @ BPI (1)

Corticium exile @ BPI (1)

Corticium galactinum @ BPI (1)

Corticium laeve @ BPI (1)

Corticium sulphureum @ BPI (1)

Corticium tsugae @ BPI (1)

Corticium @ BPI (1)
Cyphellaceae  Cyphella cupuliformis @ BPI (1)
Dermateaceae  Chlorosplenium aeruginosum @ BPI (1)

Pezicula thujina @ BPI (1)
Diaporthaceae  Diaporthe thujana @ BPI (1)

Phomopsis juniperovora @ BPI (5)

Phomopsis thujae @ BPI (4)
Eriococcidae  Keithia thujina @ BPI (31)
Exidiaceae  Basidiodendron nodosum @ BPI (1)
Helotiaceae  Chloroscypha jacksonii @ BPI (3)

Ombrophila enterochroma @ BPI (7)

Stamnaria thujae @ BPI (1)
Hemiphacidiaceae  Didymascella thujina @ BPI (4)
Hymenochaetaceae  Hymenochaete spreta @ BPI (1)

Hymenochaete tabacina @ BPI (7)

Hymenochaete tenuis @ BPI (4)

Polystictus sequoiae @ BPI (1)
Hysteriaceae  Hysterium @ BPI (1)

Hysteropatella prostii @ BPI (1)
Marasmiaceae  Marasmius campanellus @ BPI (1)

Marasmius praeacutus @ BPI (1)
Massarinaceae  Keissleriella @ BPI (1)
Melanconidaceae  Coryneum @ BPI (1)

Harknessia foeda @ BPI (5); 368205B (1); 368205A (1)
Miridae  Amblytylus nasutus @ AMNH_PBI (1)

Dichrooscytus elegans @ AMNH_PBI (8); AMNH_ENT (7)

Dichrooscytus repletus @ AMNH_PBI (10)

Macrotylus sexguttatus @ AMNH_PBI (1)

Orthotylus sp_ms_sydneyensis @ AMNH_PBI (1)

Parthenicus juniperi @ AMNH_PBI (14)

Phytocoris conspurcatus @ AMNH_PBI (1)

Phytocoris neglectus @ AMNH_PBI (4)
Mycosphaerellaceae  Cercospora @ BPI (1)

Cercosporella @ 420445A (1); 420445B (1)

Mycosphaerella @ BPI (8)
Mytilinidiaceae  Actidium nitidum @ BPI (1)

Mytilinidion thujae @ BPI (11)

Mytilinidion thujarum @ BPI (1)
Nectriaceae  Nectria episphaeria @ BPI (1)

Nectria thujana @ BPI (1)
Onagraceae  Kneiffia candidissima @ BPI (2)
Peniophoraceae  Peniophora byssoides @ BPI (2)

Peniophora carnosa @ BPI (1)

Peniophora laevigata @ BPI (1)

Peniophora livida @ BPI (1)

Peniophora pallidula @ BPI (1)

Peniophora sambuci @ BPI (4)

Peniophora sanguinea @ BPI (1)

Peniophora thujae @ BPI (5)

Peniophora viticola @ BPI (1)
Phacidiaceae  Phacidium infestans @ BPI (7)
Phaeosphaeriaceae  Leptosphaeria @ BPI (1)
Polyporaceae  Fomes pinicola @ BPI (1)

Fomes roseus @ BPI (2)

Lenzites saepiaria @ BPI (3)

Phaeolus schweinitzii @ BPI (1)

Polyporus abietinus @ BPI (3)

Polyporus adustus @ BPI (1)

Polyporus arcularius @ BPI (1)

Polyporus dichrous @ BPI (1)

Polyporus hirsutus @ BPI (1)

Polyporus immitis @ BPI (1)

Polyporus planus @ BPI (1)

Polyporus resinosus @ BPI (1)

Polyporus versicolor @ BPI (2)

Poria barbaeformis @ BPI (1)

Poria candidissima @ BPI (1)

Poria ferrugineofusca @ BPI (1)

Poria ferruginosa @ BPI (9)

Poria lenis @ BPI (1)

Poria nigrescens @ BPI (1)

Poria papyracea @ BPI (7)

Poria subacida @ BPI (3)

Poria subincarnata @ BPI (2)

Poria weirii @ BPI (2)

Poria xantha @ BPI (1)

Poria @ BPI (4)
Pseudococcidae  Planococcus citri @ MEMU_ENT (2)
Pucciniaceae  Gymnosporangium biseptatum @ BPI (2)
Reduviidae  Rasahus @ AMNH_PBI (6)
Rhytismataceae  Hypoderma @ BPI (1)

Lophodermium pinastri @ BPI (3)

Lophodermium thujae @ BPI (11)
Sarcoscyphaceae  Pithya cupressina @ BPI (3)
Schizophyllaceae  Schizophyllum commune @ BPI (1)
Schizoporaceae  Hyphodontia hastata @ BPI (2)
Sclerotiniaceae  Mitrula phalloides @ BPI (1)
Sebacinaceae  Sebacina eyrei @ BPI (1)
Steccherinaceae  Odontia candidissima @ BPI (2)

Odontia lactea @ BPI (1)

Steccherinum ochraceum @ BPI (1)
Stereaceae  Aleurodiscus botryosus @ BPI (2)

Aleurodiscus canadensis @ BPI (1)

Aleurodiscus thujae @ BPI (1)

Aleurodiscus tsugae @ BPI (2)

Stereum chailletii @ BPI (4)
Stictidaceae  Stictis carestiae @ BPI (1)

Stictis radiata @ BPI (1)
Thelephoraceae  Pseudotomentella humicola @ BPI (1)

Tomentella ruttneri @ BPI (1)

Tomentellina bombycina @ BPI (1)
Tricholomataceae  Helotium @ BPI (1)

Omphalia campanella @ BPI (2)
Ulvaceae  Solenia polyporoidea @ BPI (1)
Valsaceae  Valsa thujae @ BPI (3)
_  Bulliardella nitida @ BPI (1)

Hypochnus radiatus @ BPI (1)

Hypochnus rubiginosus @ BPI (1)

Olpitrichum @ BPI (1)

Pellicularia vaga @ BPI (1)

Scoleconectria balsamea @ BPI (2)

Thyronectria balsamea @ BPI (1)

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Following modified from The Gymnosperm Database
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Following modified from Virginia Tech Forestry Department
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Following modified from US Forest Service
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&pull 20q v5.145 20180528: Error 301 Moved Permanently http://www.na.fs.fed.us/spfo/pubs/silvics_manual/Volume_1/thuja/occidentalis.htm

Following modified from Flora of North America
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FNA | Family List | FNA Vol. 2 | Cupressaceae | Thuja

1. Thuja occidentalis Linnaeus, Sp. Pl. 2: 1002. 1753.

Northern white-cedar, thuier cèdre, cèdre-thuya occidental

Trees to 15(--38) m, stunted or prostrate in harsh environments; trunk to 0.9(--1.8) m diam., sometimes divided into 2--3 secondary stems, often reproducing by layering or forming erect, rooted branches from fallen trunks; crown conical. Bark reddish brown or grayish brown, 6--9 mm thick, fibrous, fissured. Leaves of branchlets (1.5--)3--5 mm, acute, dull yellowish green on both surfaces of branchlets. Pollen cones 1--2 mm, reddish. Seed cones ellipsoid, (6--)9--14 mm, brown; fertile scales usually 2 pairs, each minutely mucronate. Seeds ca. 8 per cone, 4--7 mm (including wings), reddish brown. 2 n = 22.

On mostly calcareous substrates, neutral to basic swamps, shores of lakes and rivers, uplands, cliffs, and talus; 0--900 m; Man., N.B., N.S., Ont., P.E.I., Que.; Conn., Ill., Ind., Ky., Maine, Md., Mass., Mich., Minn., N.H., N.Y., N.C., Ohio, Pa., Tenn., Vt., Va., W.Va., Wis.

Isolated stands of Thuja occidentalis occur north and east of its general range in Canada (to 51° 31' N latitude in Ontario, 50° N in Quebec). In the United States south of the Great Lakes and in southern New England, it occurs locally in scattered stands and is rare or extirpated at numerous former sites. In some areas, heavy winter browsing by deer greatly reduces reproductive success through elimination of seedlings or saplings.

Thuja occidentalis is widely utilized in ornamental silviculture and has more than 120 named cultivars. It was probably the first North American tree introduced into Europe (ca. 1566). It is an important timber tree; the wood is used for applications requiring decay resistance.

Following modified from CalPhotos
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http://calphotos.berkeley.edu/cgi/img_query?query_src=dl&where-taxon=Thuja+occidentalis&where-lifeform=specimen_tag&rel-lifeform=ne&rel-taxon=begins+with&where-lifeform=Plant ---> https://calphotos.berkeley.edu/cgi/img_query?query_src=dl&where-taxon=Thuja+occidentalis&where-lifeform=specimen_tag&rel-lifeform=ne&rel-taxon=begins+with&where-lifeform=Plant

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Number of matches : 14
Query: SELECT * FROM img WHERE ready=1 and taxon like "Thuja occidentalis%" and (lifeform != "specimen_tag" OR lifeform != "Plant") ORDER BY taxon

Click on the thumbnail to see an enlargement

Thuja occidentalis
Thuja occidentalis
ID: 0000 0000 0105 0963 [detail]
© 2005 Louis-M. Landry

Thuja occidentalis
Thuja occidentalis
(shown with Calamagrostis canadensis )
ID: 0000 0000 0105 0966 [detail]
© 2005 Louis-M. Landry

Thuja occidentalis
Thuja occidentalis
ID: 0000 0000 0105 0967 [detail]
© 2005 Louis-M. Landry

Thuja occidentalis
Thuja occidentalis
ID: 0000 0000 0105 0968 [detail]
© 2005 Louis-M. Landry

Thuja occidentalis
Thuja occidentalis
ID: 0000 0000 0710 0286 [detail]
© 2010 Louis-M. Landry

Thuja occidentalis
Thuja occidentalis
Eastern Arbovitae
ID: 0000 0000 0114 3134 [detail]
2014 Nick Kurzenko

Thuja occidentalis
Thuja occidentalis
Eastern Arbovitae
ID: 0000 0000 0114 3135 [detail]
2014 Nick Kurzenko

Thuja occidentalis
Thuja occidentalis
Eastern White Cedar
ID: 0000 1111 1234 3261 [detail]
© 2016 Keir Morse

Thuja occidentalis
Thuja occidentalis
Eastern White Cedar
ID: 0000 1111 1234 3262 [detail]
© 2016 Keir Morse

Thuja occidentalis
Thuja occidentalis
Eastern White Cedar
ID: 0000 1111 1234 3263 [detail]
© 2016 Keir Morse

Thuja occidentalis
Thuja occidentalis
Northern White Cedar
ID: 0000 0000 1016 3194 [detail]
© 2016 Zoya Akulova

Thuja occidentalis
Thuja occidentalis
ID: 0000 0000 1116 3274 [detail]
© 2016 Zoya Akulova

Thuja occidentalis
Thuja occidentalis
ID: 0000 0000 1116 3276 [detail]
© 2016 Zoya Akulova

Thuja occidentalis
Thuja occidentalis
ID: 0000 0000 0117 2867 [detail]
© 2017 Zoya Akulova

Using these photos: A variety of organizations and individuals have contributed photographs to CalPhotos. Please follow the usage guidelines provided with each image. Use and copyright information, as well as other details about the photo such as the date and the location, are available by clicking on the [detail] link under the thumbnail. See also: Using the Photos in CalPhotos .   


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